CVE-2023-5841
Publication date 1 February 2024
Last updated 4 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Due to a failure in validating the number of scanline samples of a OpenEXR file containing deep scanline data, Academy Software Foundation OpenEX image parsing library version 3.2.1 and prior is susceptible to a heap-based buffer overflow vulnerability. This issue was resolved as of versions v3.2.2 and v3.1.12 of the affected library.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| openexr | 25.10 questing | 
                              
                               
                                Needs evaluation 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 25.04 plucky | 
                              
                               
                                Needs evaluation 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 24.04 LTS noble | 
                              
                               
                                Needs evaluation 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 22.04 LTS jammy | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 20.04 LTS focal | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 18.04 LTS bionic | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | Ignored end of standard support | 
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | High | 
| Integrity impact | High | 
| Availability impact | None | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | 
References
Other references
- https://takeonme.org/cves/CVE-2023-5841.html
 - https://github.com/AcademySoftwareFoundation/openexr/issues/1625
 - https://github.com/AcademySoftwareFoundation/openexr/commit/46944c3a87ebc6c5d9a9a4962a94569ba1082bc3
 - https://github.com/AcademySoftwareFoundation/openexr/pull/1627
 - https://www.cve.org/CVERecord?id=CVE-2023-5841